HyperDic: radio_radiation

English > 1 sense of the expression radio radiation:
NOUNphenomenonradio radiation, radio wave, radio emissionan electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
English > radio radiation: 1 sense > noun 1, phenomenon
MeaningAn electromagnetic wave with a wavelength between 0.5 cm to 30,000 m.
Synonymsradio wave, radio emission
Part ofradio spectrum, radio-frequency spectrumThe entire spectrum of electromagnetic frequencies used for communications
NarrowerHertzian waveAn electromagnetic wave generated by oscillations in an electric circuit
carrier wave, carrierA radio wave that can be modulated in order to transmit a signal
ground waveA radio wave propagated / propagated on or near the earth's surface
long waveA radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
medium waveA radio wave with a wavelength between 100 and 1000 meters (a frequency between 300 kilohertz and 3000 kilohertz)
radio signalA radio wave used to transmit and receive messages
short waveA radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)
sky waveA radio wave that is reflected back to earth by the ionosphere or a communications satellite
Broaderelectromagnetic radiation, electromagnetic wave, nonparticulate radiationRadiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
Spanishemisiones de radio, onda radioeléctrica, ondas de radio
Catalanemissió de radiació, espectre radioelèctric, ona de ràdio

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